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发明名称
Dispositif opérateur d'addition et de soustraction pour machine calculatrice électrique en système binaire
摘要
申请公布号
FR62455(E)
申请公布日期
1955.06.14
申请号
FRD62455
申请日期
1952.02.07
申请人
COMPAGNIE DES MACHINES BULL
发明人
分类号
G06F7/50;G06F7/504
主分类号
G06F7/50
代理机构
代理人
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地址
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